402241025442 has 16 divisors (see below), whose sum is σ = 826224809472. Its totient is φ = 130456548720.

The previous prime is 402241025363. The next prime is 402241025443. The reversal of 402241025442 is 244520142204.

It is not an unprimeable number, because it can be changed into a prime (402241025443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905948034 + ... + 905948477.

It is an arithmetic number, because the mean of its divisors is an integer number (51639050592).

Almost surely, 2^402241025442 is an apocalyptic number.

402241025442 is an abundant number, since it is smaller than the sum of its proper divisors (423983784030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402241025442 is a wasteful number, since it uses less digits than its factorization.

402241025442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811896553.

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 402241025442 its reverse (244520142204), we get a palindrome (646761167646).

The spelling of 402241025442 in words is "four hundred two billion, two hundred forty-one million, twenty-five thousand, four hundred forty-two".